<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
	<title>Insert title here</title>
</head>
<body>
	<div style="text-align: center; margin:3em;">
		<h1>500</h1>
		<p>${errMsg}</p>
		<p>
			<a href="#" onclick="top.location='..'">返回首页</a>,
			<a href="#" onclick="history.go(-1)">返回上一页</a>
		</p>
	</div>
</body>
</html>